Floor tightening - Tokojime
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This is a method of land improvement to reduce the permeability of volcanic ash or sandy paddy ground that is prone to leaking, thereby saving water and increasing yields by raising the water and soil temperatures. There are two methods: removing the topsoil, tamping the subsoil, and then laying new topsoil on top, or simply compacting the topsoil. → Related topic Paddy field soil Source : Heibonsha Encyclopedia About MyPedia Information |
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漏水しやすい火山灰質や砂質の水田地盤の透水性を下げて，用水節約と水温，地温の上昇による増収を図るための土地改良法。作土をいったん取り去り心土を突き固めてから作土を敷きなおす方法と，作土の上からそのまま固める方法がある。 →関連項目水田土壌 出典 株式会社平凡社百科事典マイペディアについて 情報 |
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